Add support for AWS S3 integration

[milenkotomic]

Description

Currently there is no support for catalogs that have static files stored in AWS S3.

Problem Statement/Justification

As there is no support for AWS S3 catalog integration, we can't use the plugin since is unable to locate the descriptor file.

Proposed Solution or API

In the case of locations of type file, some of the well-known annotations such as backstage.io/source-location or github.com/project-slug can be used to make the search and find the descriptors.

Alternatives

No response

Additional Information

No response

[accezar]

Hi @milenkotomic Good point. I will work on a fix to attend these scenarios. Stay tuned for updates.

Thank you for your collaboration ❤️